Coke \Coke\, n. [Perh. akin to cake, n.]
Mineral coal charred, or depriver of its bitumen, sulphur, or
other volatile matter by roasting in a kiln or oven, or by
distillation, as in gas works. It is lagerly used where ?
smokeless fire is required. [Written also coak.]
Gas coke, the coke formed in gas retorts, as distinguished
from that made in ovens.
Source: Webster's Revised Unabridged Dictionary (1913)
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